Search Results - "Opar, David"

Exploring Sprint Kinematics in American Football Athletes After Anterior Cruciate Ligament Reconstruction.

Authors: Ito, Naoaki Lin, Yi‐Chung Martin, Jack A. et al.

Source: Scandinavian Journal of Medicine & Science in Sports (John Wiley & Sons, Inc.). Jan2026, Vol. 36 Issue 1, p1-7.

Establishing the Validity of Low Sampling Rates for Assessing Force/Torque–Time Variables During Isometric Strength Tests.

Authors: Kim, Brian Opar, David A. Tofari, Paul J. et al.

Source: International Journal of Sports Physiology & Performance. Jun2025, Vol. 20 Issue 6, p796-805.

Lower‐Body Muscle Volumes Can Explain Half of the Variance in Sprint Speed Between Collegiate American Football Players.

Authors: Martin, Jack A. Joachim, Mikel R. Blemker, Silvia S. et al.

Source: Scandinavian Journal of Medicine & Science in Sports (John Wiley & Sons, Inc.). Apr2026, Vol. 36 Issue 4, p1-9.

Impact of Prior Hamstring Strain Injury on Muscle Morphology and Sprinting Biomechanics in Collegiate American Football Athletes.

Authors: Hulm, Scott Lin, Yi‐Chung Maniar, Nirav et al.

Source: Scandinavian Journal of Medicine & Science in Sports (John Wiley & Sons, Inc.). Jun2026, Vol. 36 Issue 6, p1-11.

Quantifying Muscle Volume Deficits Among 38 Lower Extremity Muscles in Collegiate Football Athletes After Anterior Cruciate Ligament Reconstruction.

Authors: Ito, Naoaki Martin, Jack A. Joachim, Mikel R. et al.

Source: American Journal of Sports Medicine. Mar2025, Vol. 53 Issue 4, p809-816.

Differences in Hamstring Muscle‐Tendon Unit Geometry and Function Between Elite Sprint and Jump Athletes and Recreationally Active Controls.

Authors: Lazarczuk, Stephanie L. Hams, Andrea H. Bellinger, Phillip M. et al.

Source: Scandinavian Journal of Medicine & Science in Sports (John Wiley & Sons, Inc.). Nov2025, Vol. 35 Issue 11, p1-12.

Hamstring Mechanics During Acceleration, Deceleration and Sidestep Cutting.

Authors: Steventon‐Lorenzen, Nikolai Fitzwilliam, Emily Schache, Anthony G. et al.

Source: Scandinavian Journal of Medicine & Science in Sports (John Wiley & Sons, Inc.). Apr2026, Vol. 36 Issue 4, p1-10.

The Relationship Between Running Load, Strength, Muscle Architecture and Hamstring Strain Injury Across Two Seasons of Elite Male Australian Football: A Prospective Cohort Study.

Authors: Breed, Ray Opar, David A. Johnston, Rich D. et al.

Source: Sports Medicine - Open. 11/24/2025, Vol. 11 Issue 1, p1-12.

The development of a HAMstring InjuRy (HAMIR) index to mitigate injury risk through innovative imaging, biomechanics, and data analytics: protocol for an observational cohort study.

Authors: Heiderscheit, Bryan C. Blemker, Silvia S. Opar, David et al.

Source: BMC Sports Science, Medicine & Rehabilitation. 7/15/2022, Vol. 14 Issue 1, p1-9.

The Fragility Index of Risk Factors for Hamstring Injuries.

Authors: Anthis, Matthew Gourd, Stephanie Kim, Brian et al.

Source: Journal of Orthopaedic & Sports Physical Therapy. Oct2024, Vol. 54 Issue 10, p672-678.

The Dose–Response of the Nordic Hamstring Exercise on Biceps Femoris Architecture and Eccentric Knee Flexor Strength: A Randomized Interventional Trial.

Authors: Behan, Fearghal P. Vermeulen, Robin Whiteley, Rod et al.

Source: International Journal of Sports Physiology & Performance. Apr2022, Vol. 17 Issue 4, p646-654.

The Structure, Function, and Adaptation of Lower-Limb Aponeuroses: Implications for Myo-Aponeurotic Injury.

Authors: Hulm, Scott Timmins, Ryan G. Hickey, Jack T. et al.

Source: Sports Medicine - Open. 12/24/2024, Vol. 10 Issue 1, p1-29.

Biceps femoris long head muscle and aponeurosis geometry in males with and without a history of hamstring strain injury.

Authors: Lazarczuk, Stephanie L. Collings, Tyler J. Hams, Andrea H. et al.

Source: Scandinavian Journal of Medicine & Science in Sports (John Wiley & Sons, Inc.). Apr2024, Vol. 34 Issue 4, p1-11.

Lower limb muscle strength profiles and injury associations: a two-season prospective cohort study in men's professional rugby union.

Authors: Williams, Kate van Dyk, Nicol Winkelman, Nick et al.

Source: Journal of Science & Medicine in Sport. May2026, Vol. 29 Issue 5, p492-500.

Lower Patellofemoral Joint Contact Force During Side-Step Cutting After Return-to-Sports Clearance Following Anterior Cruciate Ligament Reconstruction.

Authors: San Jose, Argell J. Maniar, Nirav Whiteley, Rodney et al.

Source: American Journal of Sports Medicine. Jun2023, Vol. 51 Issue 7, p1777-1784.

The dose–response of pain throughout a Nordic hamstring exercise intervention.

Authors: Behan, Fearghal P. Opar, David A. Vermeulen, Robin et al.

Source: Scandinavian Journal of Medicine & Science in Sports (John Wiley & Sons, Inc.). Apr2023, Vol. 33 Issue 4, p542-546.

Explosive hamstrings strength asymmetry persists despite maximal hamstring strength recovery following anterior cruciate ligament reconstruction using hamstring tendon autografts.

Authors: San Jose, Argell T. Maniar, Nirav Timmins, Ryan G. et al.

Source: Knee Surgery, Sports Traumatology, Arthroscopy. Jan2023, Vol. 31 Issue 1, p299-307.

Biceps Femoris Fascicle Lengths Increase after Hamstring Injury Rehabilitation to a Greater Extent in the Injured Leg.

Authors: Whiteley, Rod Hickey, Jack T. Vermeulen, Robin et al.

Source: Translational Sports Medicine. 9/22/2022, p1-8.

You Can't Replicate What You Can't See: A Call for Researchers to Share Their Data and Avoid "Fragile" Correlations.

Authors: WHITELEY, ROD STEVENTON-LORENZEN, NIKOLAI MANIAR, NIRAV et al.

Source: Journal of Orthopaedic & Sports Physical Therapy. Dec2021, Vol. 51 Issue 12, p556-558.

Poor Reporting of Exercise Interventions for Hamstring Strain Injury Rehabilitation: A Scoping Review of Reporting Quality and Content in Contemporary Applied Research.

Authors: BREED, RAY OPAR, DAVID TIMMINS, RYAN et al.

Source: Journal of Orthopaedic & Sports Physical Therapy. Mar2022, Vol. 52 Issue 3, p130-141.